BE489242A - - Google Patents

Info

Publication number
BE489242A
BE489242A BE489242DA BE489242A BE 489242 A BE489242 A BE 489242A BE 489242D A BE489242D A BE 489242DA BE 489242 A BE489242 A BE 489242A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE489242A publication Critical patent/BE489242A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
BE489242D 1948-05-28 BE489242A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB986341X 1948-05-28

Publications (1)

Publication Number Publication Date
BE489242A true BE489242A (enrdf_load_html_response)

Family

ID=10845358

Family Applications (1)

Application Number Title Priority Date Filing Date
BE489242D BE489242A (enrdf_load_html_response) 1948-05-28

Country Status (2)

Country Link
BE (1) BE489242A (enrdf_load_html_response)
FR (1) FR986341A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR986341A (fr) 1951-07-30

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